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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.resource.workloadschedpolicy;

import org.apache.doris.common.UserException;

public interface WorkloadAction {

    void exec(WorkloadQueryInfo queryInfo);

    WorkloadActionType getWorkloadActionType();

    // NOTE(wb) currently createPolicyAction is also used when replay meta, it better not contains heavy check
    static WorkloadAction createWorkloadAction(WorkloadActionMeta workloadActionMeta)
            throws UserException {
        if (WorkloadActionType.CANCEL_QUERY.equals(workloadActionMeta.action)) {
            return WorkloadActionCancelQuery.createWorkloadAction();
        } else if (WorkloadActionType.SET_SESSION_VARIABLE.equals(workloadActionMeta.action)) {
            return WorkloadActionSetSessionVar.createWorkloadAction(workloadActionMeta.actionArgs);
        }
        throw new UserException("invalid action type " + workloadActionMeta.action);
    }

}
